Home / 192,017,330.11-287,909,358.35-75,292,848.12

Finding the Fourth Proportional to 192,017,330.11, 287,909,358.35 and 75,292,848.12

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Solution

The fourth proportional to 192,017,330.11, 287,909,358.35 and 75,292,848.12 is: 112,893,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017,330.11 : 287,909,358.35 = 75,292,848.12 : x
  2. Step 2: Convert to fraction form
    192,017,330.11/287,909,358.35 = 75,292,848.12/x
  3. Step 3: Cross multiply
    192,017,330.11x = 287,909,358.35 × 75,292,848.12
  4. Step 4: Simplify right side
    192,017,330.11x = 21,677,515,590,196,744
  5. Step 5: Solve for x
    x = 21,677,515,590,196,744/192,017,330.11
  6. Step 6: Final answer
    x = 112,893,537.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.